US1360041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aeroplane-engine carburation
Assignee: CHARLES E VAN VLECK
•
Filing: 1918-10-16
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Granted: 1920-11-23
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Expires: 1938-10-16
Abstract
No abstract record available.
Inventors
- 👤 Gregory J Spohrer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:26
CPC Classifications
F; F02; F02M; F02M69/00; F02M2700/00; F02M2700/43; F02M2700/4397; Y; Y10; Y10S; Y10S261/00; Y10S261/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1923-11-23 | 1924-05-24 | 1924-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-11-23 | 1928-05-24 | 1928-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-11-23 | 1932-05-24 | 1932-11-23 | $7700.00 | Window Closed / Lapsed |